One can compress hydrogen, but only so much as the weight of the pressure vessel increases to contain that pressure. If one liquefies the hydrogen by cooling it to cryogenic temperatures, that would decrease the pressure and increase the density, but then we would need to be driving rolling Dewar flasks to keep it from flashing into vapor. Imagine a crash in one where the insulation of the container is compromised. The hydrogen would vaporize and spread. Then any spark would set it off. It wouldn't be a pretty sight. The same would apply to any fuel that is a vapor at temperatures normally encountered in driving. 

As for lithium, its mining is very damaging to the environment, especially where it is mostly located.  It uses staggering amounts of water where water is very scarce, leaves dangerous chemical behind which contaminate what's left of aquifers needed for local people's food production and domestic use, and contaminates vast tracts of land, especially in Chile, Bolivia and Argentina.  It isn't practical to recycle at this point, though eventually that may change.  It isn't really practical in large scale energy storage either.  Take a look at this discussion about the extractions and use of lithium:  https://interestingengineering.com/clean-evs-and-dirty-lithium-mining-business  I should add regarding water use:  Much of S. America has been in a protracted and extreme drought.  The water extraction of lithium is really not sustainable.

I'm less optimistic of hydrogen. The biggest issue in my mind is that it takes more fossil fuel to make hydrogen in the first place. I have yet to see a carbon-neutral way to make hydrogen, with the possible exception of using hydrogen as a storage mechanism for solar.

Mitigated maybe, but not solved. I can gas up in 5 minutes. For short haul driving where you don't need to fill up often, it's not a big issue, but when you're driving cross-country and have to make multiple stops for fueling, that extra 20 minutes per fill really adds up. I imagine hydrogen fill-ups would take about the same time as a gasoline fill-up.

EV's are one possible solution, but the use of hydrogen fuel cell technology may also be a viable alternative.  Using solar, wind, and tidal generated electricity, along with nuclear, may provide a viable energy source to produce hydrogen for fuel cells.  It effectively is one possible way to store energy that cannot be consistently produced, such as solar.  

Seems to me the Toyota hybrid truck is an expensive transitional approach to solve a long distance towing issue, shooting for the benefits of an EV with the unlimited range of an ICE.  In a few years, however, it'll likely be a white elephant that no one really wants so the resale value may be pretty awful.  

I would also argue for increased nuclear use. However, instead of more reactors that create ever greater amounts of waste that will take millions of years to become safe, I would rather see reactors that consume more of the fuel and generate much smaller amounts of wastes that will need to be stored. That means that we need to get over the reluctance to build reactors that can burn these wastes.

https://www.weforum.org/agenda/2018/11/destroying-nuclear-waste-to-create-clean-energy-it-can-be-done

All that being said, I would not mind an EV for around home use. But for towing and the type of travel we do, an EV is just not feasible until the infrastructure for getting it charged as easily and as fast as filling up a fuel tank is available and affordable.

I sincerely hope that the "green" energy proponents are being more accurate in their claims, but we must keep in mind that each has its own financial interests to protect and that often occurs through not telling us the whole truth; lies by omission.  For example, how much environmental damage is done to Mother Earth [not just carbon emissions] in the mining of lithium?  Quite frankly, I don't know, but am concerned that Mr. Musk is not laying all the cards on the table.  Storage, as Glue Guy pointed out, is an issue for wind and solar generation.  Batteries banks of a hard to imagine magnitude may be required to make a functional power grid using solar and the environmental cost may be much higher than is sustainable.

Bottom line, as my very wise father once told me:  "There is no such thing as a free lunch."